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Unix Tutorials

Sometime if we didn't properly shutdown a server that running linux, it will cause a crash for the filesystem.We need a tool that able to repair it immediately, the tool is FSCK or file system consistency check.Below is the fsck command :

Usage: fsck [-sACVRTNP] [-t fs-optlist] [filesystem] [fs-specific-options] Example :I have a drive /home or /dev/sda3 Then the next step is we need a root access to run the command.

AWStats is a web statistics and log analyzer which create a statistics reports based on rich data from apache or server logs.

First We need to install AWStats in FreeBSD server - Login into the FreeBSD server using SSH and root access# cd /usr/ports/www/awstats# make# make install# make clean

After AWStats is installed on the server we will need to configure our apache webserver.Usually if we are installed Apache from ports then the apache config files will be stored in/usr/local/etc/apache22/httpd.conf

There are so many tools that able to check the hidden process and port, the tools are rootkits/lkms/unhide etc.In this tutorial i will discuss something more simple to use and the tools is UNHIDE.

Unhide is a tool to find hidden processes and TCP/UDP ports by rootkits / LKMs or by another hidden technique. This tools works under both Linux / Unix, and MS-Windows operating systems.

It detects hidden processes using three techniques:

The proc technique consists of comparing /proc with the output of /bin/ps.The sys technique consists of comparing information gathered from /bin/ps with information gathered from system calls.The brute technique consists of bruteforcing the all process IDs. This technique is only available on Linux 2.6 kernels.